Support brace



FIG. 1 is a front perspective view of a support brace showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dashed broken lines in the figures show portions of the support brace that form no part of the claimed design. The dot-dash broken lines in the figures show boundaries that form no part of the claimed design. The shade lines in the figures show contour and not surface ornamentation. 

CLAIM The ornamental design for a support brace, as shown and described. 